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Nathan
2026-05-08 21:40:03 +01:00
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.pio/libdeps/esp32dev/MFRC522/examples/ChangeUID/ChangeUID.ino
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/*
* --------------------------------------------------------------------------------------------------------------------
* Example to change UID of changeable MIFARE card.
* --------------------------------------------------------------------------------------------------------------------
* This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid
*
* This sample shows how to set the UID on a UID changeable MIFARE card.
*
* @author Tom Clement
* @license Released into the public domain.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
/* Set your new UID here! */
#define NEW_UID {0xDE, 0xAD, 0xBE, 0xEF}
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
Serial.println(F("Warning: this example overwrites the UID of your UID changeable card, use with care!"));
}
// Setting the UID can be as simple as this:
//void loop() {
// byte newUid[] = NEW_UID;
// if ( mfrc522.MIFARE_SetUid(newUid, (byte)4, true) ) {
// Serial.println("Wrote new UID to card.");
// }
// delay(1000);
//}
// But of course this is a more proper approach
void loop() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle. And if present, select one.
if ( ! mfrc522.PICC_IsNewCardPresent() || ! mfrc522.PICC_ReadCardSerial() ) {
delay(50);
return;
}
// Now a card is selected. The UID and SAK is in mfrc522.uid.
// Dump UID
Serial.print(F("Card UID:"));
for (byte i = 0; i < mfrc522.uid.size; i++) {
Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(mfrc522.uid.uidByte[i], HEX);
}
Serial.println();
// Dump PICC type
// MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
// Serial.print(F("PICC type: "));
// Serial.print(mfrc522.PICC_GetTypeName(piccType));
// Serial.print(F(" (SAK "));
// Serial.print(mfrc522.uid.sak);
// Serial.print(")\r\n");
// if ( piccType != MFRC522::PICC_TYPE_MIFARE_MINI
// && piccType != MFRC522::PICC_TYPE_MIFARE_1K
// && piccType != MFRC522::PICC_TYPE_MIFARE_4K) {
// Serial.println(F("This sample only works with MIFARE Classic cards."));
// return;
// }
// Set new UID
byte newUid[] = NEW_UID;
if ( mfrc522.MIFARE_SetUid(newUid, (byte)4, true) ) {
Serial.println(F("Wrote new UID to card."));
}
// Halt PICC and re-select it so DumpToSerial doesn't get confused
mfrc522.PICC_HaltA();
if ( ! mfrc522.PICC_IsNewCardPresent() || ! mfrc522.PICC_ReadCardSerial() ) {
return;
}
// Dump the new memory contents
Serial.println(F("New UID and contents:"));
mfrc522.PICC_DumpToSerial(&(mfrc522.uid));
delay(2000);
}
.pio/libdeps/esp32dev/MFRC522/examples/DumpInfo/DumpInfo.ino
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/*
* --------------------------------------------------------------------------------------------------------------------
* Example sketch/program showing how to read data from a PICC to serial.
* --------------------------------------------------------------------------------------------------------------------
* This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid
*
* Example sketch/program showing how to read data from a PICC (that is: a RFID Tag or Card) using a MFRC522 based RFID
* Reader on the Arduino SPI interface.
*
* When the Arduino and the MFRC522 module are connected (see the pin layout below), load this sketch into Arduino IDE
* then verify/compile and upload it. To see the output: use Tools, Serial Monitor of the IDE (hit Ctrl+Shft+M). When
* you present a PICC (that is: a RFID Tag or Card) at reading distance of the MFRC522 Reader/PCD, the serial output
* will show the ID/UID, type and any data blocks it can read. Note: you may see "Timeout in communication" messages
* when removing the PICC from reading distance too early.
*
* If your reader supports it, this sketch/program will read all the PICCs presented (that is: multiple tag reading).
* So if you stack two or more PICCs on top of each other and present them to the reader, it will first output all
* details of the first and then the next PICC. Note that this may take some time as all data blocks are dumped, so
* keep the PICCs at reading distance until complete.
*
* @license Released into the public domain.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522
delay(4); // Optional delay. Some board do need more time after init to be ready, see Readme
mfrc522.PCD_DumpVersionToSerial(); // Show details of PCD - MFRC522 Card Reader details
Serial.println(F("Scan PICC to see UID, SAK, type, and data blocks..."));
}
void loop() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! mfrc522.PICC_IsNewCardPresent()) {
return;
}
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial()) {
return;
}
// Dump debug info about the card; PICC_HaltA() is automatically called
mfrc522.PICC_DumpToSerial(&(mfrc522.uid));
}
.pio/libdeps/esp32dev/MFRC522/examples/FixBrickedUID/FixBrickedUID.ino
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/*
* --------------------------------------------------------------------------------------------------------------------
* Example sketch/program to fix a broken UID changeable MIFARE cards.
* --------------------------------------------------------------------------------------------------------------------
* This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid
*
* This sample shows how to fix a broken UID changeable MIFARE cards that have a corrupted sector 0.
*
* @author Tom Clement
* @license Released into the public domain.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
Serial.println(F("Warning: this example clears your mifare UID, use with care!"));
}
void loop() {
if ( mfrc522.MIFARE_UnbrickUidSector(false) ) {
Serial.println(F("Cleared sector 0, set UID to 1234. Card should be responsive again now."));
}
delay(1000);
}
.pio/libdeps/esp32dev/MFRC522/examples/MifareClassicValueBlock/MifareClassicValueBlock.ino
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/**
* ----------------------------------------------------------------------------
* This is a MFRC522 library example; see https://github.com/miguelbalboa/rfid
* for further details and other examples.
*
* NOTE: The library file MFRC522.h has a lot of useful info. Please read it.
*
* Released into the public domain.
* ----------------------------------------------------------------------------
* This sample shows how to setup blocks on a MIFARE Classic PICC (= card/tag)
* to be in "Value Block" mode: in this mode the operations Increment/Decrement,
* Restore and Transfer can be used.
*
* BEWARE: Data will be written to the PICC, in sector #1 (blocks #4 to #7).
*
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
MFRC522::MIFARE_Key key;
/**
* Initialize.
*/
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
// Prepare the key (used both as key A and as key B)
// using FFFFFFFFFFFFh which is the default at chip delivery from the factory
for (byte i = 0; i < 6; i++) {
key.keyByte[i] = 0xFF;
}
Serial.println(F("Scan a MIFARE Classic PICC to demonstrate Value Block mode."));
Serial.print(F("Using key (for A and B):"));
dump_byte_array(key.keyByte, MFRC522::MF_KEY_SIZE);
Serial.println();
Serial.println(F("BEWARE: Data will be written to the PICC, in sector #1"));
}
/**
* Main loop.
*/
void loop() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! mfrc522.PICC_IsNewCardPresent())
return;
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial())
return;
// Show some details of the PICC (that is: the tag/card)
Serial.print(F("Card UID:"));
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
Serial.println(mfrc522.PICC_GetTypeName(piccType));
// Check for compatibility
if ( piccType != MFRC522::PICC_TYPE_MIFARE_MINI
&& piccType != MFRC522::PICC_TYPE_MIFARE_1K
&& piccType != MFRC522::PICC_TYPE_MIFARE_4K) {
Serial.println(F("This sample only works with MIFARE Classic cards."));
return;
}
// In this sample we use the second sector,
// that is: sector #1, covering block #4 up to and including block #7
byte sector = 1;
byte valueBlockA = 5;
byte valueBlockB = 6;
byte trailerBlock = 7;
MFRC522::StatusCode status;
byte buffer[18];
byte size = sizeof(buffer);
int32_t value;
// Authenticate using key A
Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Show the whole sector as it currently is
Serial.println(F("Current data in sector:"));
mfrc522.PICC_DumpMifareClassicSectorToSerial(&(mfrc522.uid), &key, sector);
Serial.println();
// We need a sector trailer that defines blocks 5 and 6 as Value Blocks and enables key B
// The last block in a sector (block #3 for Mifare Classic 1K) is the Sector Trailer.
// See http://www.nxp.com/documents/data_sheet/MF1S503x.pdf sections 8.6 and 8.7:
// Bytes 0-5: Key A
// Bytes 6-8: Access Bits
// Bytes 9: User data
// Bytes 10-15: Key B (or user data)
byte trailerBuffer[] = {
255, 255, 255, 255, 255, 255, // Keep default key A
0, 0, 0,
0,
255, 255, 255, 255, 255, 255}; // Keep default key B
// The access bits are stored in a peculiar fashion.
// There are four groups:
// g[0] Access bits for block 0 (for sectors 0-31)
// or blocks 0-4 (for sectors 32-39)
// g[1] Access bits for block 1 (for sectors 0-31)
// or blocks 5-9 (for sectors 32-39)
// g[2] Access bits for block 2 (for sectors 0-31)
// or blocks 10-14 (for sectors 32-39)
// g[3] Access bits for the Sector Trailer: block 3 (for sectors 0-31)
// or block 15 (for sectors 32-39)
// Each group has access bits [C1 C2 C3], in this code C1 is MSB and C3 is LSB.
// Determine the bit pattern needed using MIFARE_SetAccessBits:
// g0=0 access bits for block 0 (of this sector) using [0 0 0] = 000b = 0
// which means key A|B have r/w for block 0 of this sector
// which (in this example) translates to block #4 within sector #1;
// this is the transport configuration (at factory delivery).
// g1=6 access bits for block 1 (of this sector) using [1 1 0] = 110b = 6
// which means block 1 (of this sector) is used as a value block,
// which (in this example) translates to block #5 within sector #1;
// where key A|B have r, key B has w, key B can increment,
// and key A|B can decrement, transfer, and restore.
// g2=6 same thing for block 2 (of this sector): set it to a value block;
// which (in this example) translates to block #6 within sector #1;
// g3=3 access bits for block 3 (of this sector): the Sector Trailer here;
// using [0 1 1] = 011b = 3 which means only key B has r/w access
// to the Sector Trailer (block 3 of this sector) from now on
// which (in this example) translates to block #7 within sector #1;
mfrc522.MIFARE_SetAccessBits(&trailerBuffer[6], 0, 6, 6, 3);
// Read the sector trailer as it is currently stored on the PICC
Serial.println(F("Reading sector trailer..."));
status = mfrc522.MIFARE_Read(trailerBlock, buffer, &size);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Read() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Check if it matches the desired access pattern already;
// because if it does, we don't need to write it again...
if ( buffer[6] != trailerBuffer[6]
|| buffer[7] != trailerBuffer[7]
|| buffer[8] != trailerBuffer[8]) {
// They don't match (yet), so write it to the PICC
Serial.println(F("Writing new sector trailer..."));
status = mfrc522.MIFARE_Write(trailerBlock, trailerBuffer, 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
}
// Authenticate using key B
Serial.println(F("Authenticating again using key B..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_B, trailerBlock, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// A value block has a 32 bit signed value stored three times
// and an 8 bit address stored 4 times. Make sure that valueBlockA
// and valueBlockB have that format (note that it will only format
// the block when it doesn't comply to the expected format already).
formatValueBlock(valueBlockA);
formatValueBlock(valueBlockB);
// Add 1 to the value of valueBlockA and store the result in valueBlockA.
Serial.print("Adding 1 to value of block "); Serial.println(valueBlockA);
status = mfrc522.MIFARE_Increment(valueBlockA, 1);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Increment() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
status = mfrc522.MIFARE_Transfer(valueBlockA);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Transfer() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Show the new value of valueBlockA
status = mfrc522.MIFARE_GetValue(valueBlockA, &value);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("mifare_GetValue() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
Serial.print("New value of value block "); Serial.print(valueBlockA);
Serial.print(" = "); Serial.println(value);
// Decrement 10 from the value of valueBlockB and store the result in valueBlockB.
Serial.print("Subtracting 10 from value of block "); Serial.println(valueBlockB);
status = mfrc522.MIFARE_Decrement(valueBlockB, 10);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Decrement() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
status = mfrc522.MIFARE_Transfer(valueBlockB);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Transfer() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Show the new value of valueBlockB
status = mfrc522.MIFARE_GetValue(valueBlockB, &value);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("mifare_GetValue() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
Serial.print(F("New value of value block ")); Serial.print(valueBlockB);
Serial.print(F(" = ")); Serial.println(value);
// Check some boundary...
if (value <= -100) {
Serial.println(F("Below -100, so resetting it to 255 = 0xFF just for fun..."));
status = mfrc522.MIFARE_SetValue(valueBlockB, 255);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("mifare_SetValue() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
}
// Dump the sector data
mfrc522.PICC_DumpMifareClassicSectorToSerial(&(mfrc522.uid), &key, sector);
Serial.println();
// Halt PICC
mfrc522.PICC_HaltA();
// Stop encryption on PCD
mfrc522.PCD_StopCrypto1();
}
/**
* Helper routine to dump a byte array as hex values to Serial.
*/
void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
/**
* Ensure that a given block is formatted as a Value Block.
*/
void formatValueBlock(byte blockAddr) {
byte buffer[18];
byte size = sizeof(buffer);
MFRC522::StatusCode status;
Serial.print(F("Reading block ")); Serial.println(blockAddr);
status = mfrc522.MIFARE_Read(blockAddr, buffer, &size);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Read() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
if ( (buffer[0] == (byte)~buffer[4])
&& (buffer[1] == (byte)~buffer[5])
&& (buffer[2] == (byte)~buffer[6])
&& (buffer[3] == (byte)~buffer[7])
&& (buffer[0] == buffer[8])
&& (buffer[1] == buffer[9])
&& (buffer[2] == buffer[10])
&& (buffer[3] == buffer[11])
&& (buffer[12] == (byte)~buffer[13])
&& (buffer[12] == buffer[14])
&& (buffer[12] == (byte)~buffer[15])) {
Serial.println(F("Block has correct Value Block format."));
}
else {
Serial.println(F("Formatting as Value Block..."));
byte valueBlock[] = {
0, 0, 0, 0,
255, 255, 255, 255,
0, 0, 0, 0,
blockAddr, ~blockAddr, blockAddr, ~blockAddr };
status = mfrc522.MIFARE_Write(blockAddr, valueBlock, 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
}
}
}
.pio/libdeps/esp32dev/MFRC522/examples/MinimalInterrupt/MinimalInterrupt.ino
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/**
* ----------------------------------------------------------------------------
* This is a MFRC522 library example; see https://github.com/miguelbalboa/rfid
* for further details and other examples.
*
* NOTE: The library file MFRC522.h has a lot of useful info. Please read it.
*
* Released into the public domain.
* ----------------------------------------------------------------------------
* Minimal example how to use the interrupts to read the UID of a MIFARE Classic PICC
* (= card/tag).
*
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 3 10
* IRQ ? ? ? ? 2 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 3 // Configurable, see typical pin layout above
#define IRQ_PIN 2 // Configurable, depends on hardware
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
volatile bool bNewInt = false;
byte regVal = 0x7F;
void activateRec(MFRC522 mfrc522);
void clearInt(MFRC522 mfrc522);
/**
* Initialize.
*/
void setup() {
Serial.begin(115200); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
/* read and printout the MFRC522 version (valid values 0x91 & 0x92)*/
Serial.print(F("Ver: 0x"));
byte readReg = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
Serial.println(readReg, HEX);
/* setup the IRQ pin*/
pinMode(IRQ_PIN, INPUT_PULLUP);
/*
* Allow the ... irq to be propagated to the IRQ pin
* For test purposes propagate the IdleIrq and loAlert
*/
regVal = 0xA0; //rx irq
mfrc522.PCD_WriteRegister(mfrc522.ComIEnReg, regVal);
bNewInt = false; //interrupt flag
/*Activate the interrupt*/
attachInterrupt(digitalPinToInterrupt(IRQ_PIN), readCard, FALLING);
do { //clear a spourious interrupt at start
;
} while (!bNewInt);
bNewInt = false;
Serial.println(F("End setup"));
}
/**
* Main loop.
*/
void loop() {
if (bNewInt) { //new read interrupt
Serial.print(F("Interrupt. "));
mfrc522.PICC_ReadCardSerial(); //read the tag data
// Show some details of the PICC (that is: the tag/card)
Serial.print(F("Card UID:"));
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
clearInt(mfrc522);
mfrc522.PICC_HaltA();
bNewInt = false;
}
// The receiving block needs regular retriggering (tell the tag it should transmit??)
// (mfrc522.PCD_WriteRegister(mfrc522.FIFODataReg,mfrc522.PICC_CMD_REQA);)
activateRec(mfrc522);
delay(100);
} //loop()
/**
* Helper routine to dump a byte array as hex values to Serial.
*/
void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
/**
* MFRC522 interrupt serving routine
*/
void readCard() {
bNewInt = true;
}
/*
* The function sending to the MFRC522 the needed commands to activate the reception
*/
void activateRec(MFRC522 mfrc522) {
mfrc522.PCD_WriteRegister(mfrc522.FIFODataReg, mfrc522.PICC_CMD_REQA);
mfrc522.PCD_WriteRegister(mfrc522.CommandReg, mfrc522.PCD_Transceive);
mfrc522.PCD_WriteRegister(mfrc522.BitFramingReg, 0x87);
}
/*
* The function to clear the pending interrupt bits after interrupt serving routine
*/
void clearInt(MFRC522 mfrc522) {
mfrc522.PCD_WriteRegister(mfrc522.ComIrqReg, 0x7F);
}
.pio/libdeps/esp32dev/MFRC522/examples/Ntag216_AUTH/Ntag216_AUTH.ino
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/*
* This example show how you can get Authenticated by the NTAG213,215,216. By default the tags are unprotected in order to protect them we need to write 4 different values:
* Using mfrc522.MIFARE_Ultralight_Write(PageNum, Data, #Databytes))
* 1.- We need to write the 32bit passWord to page 0xE5 !for ntag 213 and 215 page is different refer to nxp documentation!
* 2.- Now Write the 16 bits pACK to the page 0xE6 use the 2 high bytes like this: pACKH + pACKL + 00 + 00 after an authentication the tag will return this secret bytes
* 3.- Now we need to write the first page we want to protect this is a 1 byte data in page 0xE3 we need to write 00 + 00 + 00 + firstPage all pages after this one are write protected
* Now WRITE protection is ACTIVATED so we need to get authenticated in order to write the last data
* 4.- Finally we need to write an access record in order to READ protect the card this step is optional only if you want to read protect also write 80 + 00 + 00 + 00 to 0xE4
* After completing all these steps you will nee to authenticate first in order to read or write ant page after the first page you selected to protect.
* To disengage protection just write the page (0xE3) to 00 + 00 + 00 + FF that going to remove all protection.
*
* @author GARGANTUA from RoboCreators.com & paradoxalabs.com
* @license Released into the public domain.
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 //
#define SS_PIN 10 //
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522
Serial.println(F("Scan PICC to see UID, type, and data blocks..."));
}
void loop() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! mfrc522.PICC_IsNewCardPresent()) {
return;
}
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial()) {
return;
}
byte PSWBuff[] = {0xFF, 0xFF, 0xFF, 0xFF}; // 32 bit password default FFFFFFFF.
byte pACK[] = {0, 0}; // 16 bit password ACK returned by the NFCtag.
Serial.print("Auth: ");
Serial.println(mfrc522.PCD_NTAG216_AUTH(&PSWBuff[0], pACK)); // Request authentification if return STATUS_OK we are good.
//Print PassWordACK
Serial.print(pACK[0], HEX);
Serial.println(pACK[1], HEX);
byte WBuff[] = {0x00, 0x00, 0x00, 0x04};
byte RBuff[18];
//Serial.print("CHG BLK: ");
//Serial.println(mfrc522.MIFARE_Ultralight_Write(0xE3, WBuff, 4)); // How to write to a page.
mfrc522.PICC_DumpMifareUltralightToSerial(); // This is a modifier dump just change the for circle to < 232 instead of < 16 in order to see all the pages on NTAG216.
delay(3000);
}
.pio/libdeps/esp32dev/MFRC522/examples/RFID-Cloner/RFID-Cloner.ino
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/*
* Copy the RFID card data into variables and then
* scan the second empty card to copy all the data
* ----------------------------------------------------------------------------
* Example sketch/program which will try the most used default keys listed in
* https://code.google.com/p/mfcuk/wiki/MifareClassicDefaultKeys to dump the
* block 0 of a MIFARE RFID card using a RFID-RC522 reader.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
byte buffer[18];
byte block;
byte waarde[64][16];
MFRC522::StatusCode status;
MFRC522::MIFARE_Key key;
// Number of known default keys (hard-coded)
// NOTE: Synchronize the NR_KNOWN_KEYS define with the defaultKeys[] array
#define NR_KNOWN_KEYS 8
// Known keys, see: https://code.google.com/p/mfcuk/wiki/MifareClassicDefaultKeys
byte knownKeys[NR_KNOWN_KEYS][MFRC522::MF_KEY_SIZE] = {
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // FF FF FF FF FF FF = factory default
{0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5}, // A0 A1 A2 A3 A4 A5
{0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5}, // B0 B1 B2 B3 B4 B5
{0x4d, 0x3a, 0x99, 0xc3, 0x51, 0xdd}, // 4D 3A 99 C3 51 DD
{0x1a, 0x98, 0x2c, 0x7e, 0x45, 0x9a}, // 1A 98 2C 7E 45 9A
{0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7}, // D3 F7 D3 F7 D3 F7
{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, // AA BB CC DD EE FF
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00} // 00 00 00 00 00 00
};
char choice;
/*
* Initialize.
*/
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
Serial.println(F("Try the most used default keys to print block 0 to 63 of a MIFARE PICC."));
Serial.println("1.Read card \n2.Write to card \n3.Copy the data.");
for (byte i = 0; i < 6; i++) {
key.keyByte[i] = 0xFF;
}
}
//Via seriele monitor de bytes uitlezen in hexadecimaal
void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
//Via seriele monitor de bytes uitlezen in ASCI
void dump_byte_array1(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.write(buffer[i]);
}
}
/*
* Try using the PICC (the tag/card) with the given key to access block 0 to 63.
* On success, it will show the key details, and dump the block data on Serial.
*
* @return true when the given key worked, false otherwise.
*/
bool try_key(MFRC522::MIFARE_Key *key)
{
bool result = false;
for(byte block = 0; block < 64; block++){
// Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return false;
}
// Read block
byte byteCount = sizeof(buffer);
status = mfrc522.MIFARE_Read(block, buffer, &byteCount);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Read() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
}
else {
// Successful read
result = true;
Serial.print(F("Success with key:"));
dump_byte_array((*key).keyByte, MFRC522::MF_KEY_SIZE);
Serial.println();
// Dump block data
Serial.print(F("Block ")); Serial.print(block); Serial.print(F(":"));
dump_byte_array1(buffer, 16); //omzetten van hex naar ASCI
Serial.println();
for (int p = 0; p < 16; p++) //De 16 bits uit de block uitlezen
{
waarde [block][p] = buffer[p];
Serial.print(waarde[block][p]);
Serial.print(" ");
}
}
}
Serial.println();
Serial.println("1.Read card \n2.Write to card \n3.Copy the data.");
mfrc522.PICC_HaltA(); // Halt PICC
mfrc522.PCD_StopCrypto1(); // Stop encryption on PCD
return result;
start();
}
/*
* Main loop.
*/
void loop() {
start();
}
void start(){
choice = Serial.read();
if(choice == '1')
{
Serial.println("Read the card");
keuze1();
}
else if(choice == '2')
{
Serial.println("See what is in the variables");
keuze2();
}
else if(choice == '3')
{
Serial.println("Copying the data on to the new card");
keuze3();
}
}
void keuze2(){ //Test waardes in blokken
for(block = 4; block <= 62; block++){
if(block == 7 || block == 11 || block == 15 || block == 19 || block == 23 || block == 27 || block == 31 || block == 35 || block == 39 || block == 43 || block == 47 || block == 51 || block == 55 || block == 59){
block ++;
}
Serial.print(F("Writing data into block "));
Serial.print(block);
Serial.println("\n");
for(int j = 0; j < 16; j++){
Serial.print(waarde[block][j]);
Serial.print(" ");
}
Serial.println("\n");
}
Serial.println("1.Read card \n2.Write to card \n3.Copy the data.");
start();
}
void keuze3(){ //Copy the data in the new card
Serial.println("Insert new card...");
// Look for new cards
if ( ! mfrc522.PICC_IsNewCardPresent())
return;
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial())
return;
// Show some details of the PICC (that is: the tag/card)
Serial.print(F("Card UID:"));
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
Serial.println(mfrc522.PICC_GetTypeName(piccType));
// Try the known default keys
/*MFRC522::MIFARE_Key key;
for (byte k = 0; k < NR_KNOWN_KEYS; k++) {
// Copy the known key into the MIFARE_Key structure
for (byte i = 0; i < MFRC522::MF_KEY_SIZE; i++) {
key.keyByte[i] = knownKeys[k][i];
}
}*/
for (byte i = 0; i < 6; i++) {
key.keyByte[i] = 0xFF;
}
for(int i = 4; i <= 62; i++){ //De blocken 4 tot 62 kopieren, behalve al deze onderstaande blocken (omdat deze de authenticatie blokken zijn)
if(i == 7 || i == 11 || i == 15 || i == 19 || i == 23 || i == 27 || i == 31 || i == 35 || i == 39 || i == 43 || i == 47 || i == 51 || i == 55 || i == 59){
i++;
}
block = i;
// Authenticate using key A
Serial.println(F("Authenticating using key A..."));
status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Authenticate using key B
Serial.println(F("Authenticating again using key B..."));
status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_B, block, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Write data to the block
Serial.print(F("Writing data into block "));
Serial.print(block);
Serial.println("\n");
dump_byte_array(waarde[block], 16);
status = (MFRC522::StatusCode) mfrc522.MIFARE_Write(block, waarde[block], 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
}
Serial.println("\n");
}
mfrc522.PICC_HaltA(); // Halt PICC
mfrc522.PCD_StopCrypto1(); // Stop encryption on PCD
Serial.println("1.Read card \n2.Write to card \n3.Copy the data.");
start();
}
void keuze1(){ //Read card
Serial.println("Insert card...");
// Look for new cards
if ( ! mfrc522.PICC_IsNewCardPresent())
return;
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial())
return;
// Show some details of the PICC (that is: the tag/card)
Serial.print(F("Card UID:"));
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
Serial.println(mfrc522.PICC_GetTypeName(piccType));
// Try the known default keys
MFRC522::MIFARE_Key key;
for (byte k = 0; k < NR_KNOWN_KEYS; k++) {
// Copy the known key into the MIFARE_Key structure
for (byte i = 0; i < MFRC522::MF_KEY_SIZE; i++) {
key.keyByte[i] = knownKeys[k][i];
}
// Try the key
if (try_key(&key)) {
// Found and reported on the key and block,
// no need to try other keys for this PICC
break;
}
}
}
.pio/libdeps/esp32dev/MFRC522/examples/ReadAndWrite/ReadAndWrite.ino
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/**
* ----------------------------------------------------------------------------
* This is a MFRC522 library example; see https://github.com/miguelbalboa/rfid
* for further details and other examples.
*
* NOTE: The library file MFRC522.h has a lot of useful info. Please read it.
*
* Released into the public domain.
* ----------------------------------------------------------------------------
* This sample shows how to read and write data blocks on a MIFARE Classic PICC
* (= card/tag).
*
* BEWARE: Data will be written to the PICC, in sector #1 (blocks #4 to #7).
*
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
MFRC522::MIFARE_Key key;
/**
* Initialize.
*/
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
// Prepare the key (used both as key A and as key B)
// using FFFFFFFFFFFFh which is the default at chip delivery from the factory
for (byte i = 0; i < 6; i++) {
key.keyByte[i] = 0xFF;
}
Serial.println(F("Scan a MIFARE Classic PICC to demonstrate read and write."));
Serial.print(F("Using key (for A and B):"));
dump_byte_array(key.keyByte, MFRC522::MF_KEY_SIZE);
Serial.println();
Serial.println(F("BEWARE: Data will be written to the PICC, in sector #1"));
}
/**
* Main loop.
*/
void loop() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! mfrc522.PICC_IsNewCardPresent())
return;
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial())
return;
// Show some details of the PICC (that is: the tag/card)
Serial.print(F("Card UID:"));
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
Serial.println(mfrc522.PICC_GetTypeName(piccType));
// Check for compatibility
if ( piccType != MFRC522::PICC_TYPE_MIFARE_MINI
&& piccType != MFRC522::PICC_TYPE_MIFARE_1K
&& piccType != MFRC522::PICC_TYPE_MIFARE_4K) {
Serial.println(F("This sample only works with MIFARE Classic cards."));
return;
}
// In this sample we use the second sector,
// that is: sector #1, covering block #4 up to and including block #7
byte sector = 1;
byte blockAddr = 4;
byte dataBlock[] = {
0x01, 0x02, 0x03, 0x04, // 1, 2, 3, 4,
0x05, 0x06, 0x07, 0x08, // 5, 6, 7, 8,
0x09, 0x0a, 0xff, 0x0b, // 9, 10, 255, 11,
0x0c, 0x0d, 0x0e, 0x0f // 12, 13, 14, 15
};
byte trailerBlock = 7;
MFRC522::StatusCode status;
byte buffer[18];
byte size = sizeof(buffer);
// Authenticate using key A
Serial.println(F("Authenticating using key A..."));
status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, trailerBlock, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Show the whole sector as it currently is
Serial.println(F("Current data in sector:"));
mfrc522.PICC_DumpMifareClassicSectorToSerial(&(mfrc522.uid), &key, sector);
Serial.println();
// Read data from the block
Serial.print(F("Reading data from block ")); Serial.print(blockAddr);
Serial.println(F(" ..."));
status = (MFRC522::StatusCode) mfrc522.MIFARE_Read(blockAddr, buffer, &size);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Read() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
}
Serial.print(F("Data in block ")); Serial.print(blockAddr); Serial.println(F(":"));
dump_byte_array(buffer, 16); Serial.println();
Serial.println();
// Authenticate using key B
Serial.println(F("Authenticating again using key B..."));
status = (MFRC522::StatusCode) mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_B, trailerBlock, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Write data to the block
Serial.print(F("Writing data into block ")); Serial.print(blockAddr);
Serial.println(F(" ..."));
dump_byte_array(dataBlock, 16); Serial.println();
status = (MFRC522::StatusCode) mfrc522.MIFARE_Write(blockAddr, dataBlock, 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
}
Serial.println();
// Read data from the block (again, should now be what we have written)
Serial.print(F("Reading data from block ")); Serial.print(blockAddr);
Serial.println(F(" ..."));
status = (MFRC522::StatusCode) mfrc522.MIFARE_Read(blockAddr, buffer, &size);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Read() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
}
Serial.print(F("Data in block ")); Serial.print(blockAddr); Serial.println(F(":"));
dump_byte_array(buffer, 16); Serial.println();
// Check that data in block is what we have written
// by counting the number of bytes that are equal
Serial.println(F("Checking result..."));
byte count = 0;
for (byte i = 0; i < 16; i++) {
// Compare buffer (= what we've read) with dataBlock (= what we've written)
if (buffer[i] == dataBlock[i])
count++;
}
Serial.print(F("Number of bytes that match = ")); Serial.println(count);
if (count == 16) {
Serial.println(F("Success :-)"));
} else {
Serial.println(F("Failure, no match :-("));
Serial.println(F(" perhaps the write didn't work properly..."));
}
Serial.println();
// Dump the sector data
Serial.println(F("Current data in sector:"));
mfrc522.PICC_DumpMifareClassicSectorToSerial(&(mfrc522.uid), &key, sector);
Serial.println();
// Halt PICC
mfrc522.PICC_HaltA();
// Stop encryption on PCD
mfrc522.PCD_StopCrypto1();
}
/**
* Helper routine to dump a byte array as hex values to Serial.
*/
void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
.pio/libdeps/esp32dev/MFRC522/examples/ReadNUID/ReadNUID.ino
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/*
* --------------------------------------------------------------------------------------------------------------------
* Example sketch/program showing how to read new NUID from a PICC to serial.
* --------------------------------------------------------------------------------------------------------------------
* This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid
*
* Example sketch/program showing how to the read data from a PICC (that is: a RFID Tag or Card) using a MFRC522 based RFID
* Reader on the Arduino SPI interface.
*
* When the Arduino and the MFRC522 module are connected (see the pin layout below), load this sketch into Arduino IDE
* then verify/compile and upload it. To see the output: use Tools, Serial Monitor of the IDE (hit Ctrl+Shft+M). When
* you present a PICC (that is: a RFID Tag or Card) at reading distance of the MFRC522 Reader/PCD, the serial output
* will show the type, and the NUID if a new card has been detected. Note: you may see "Timeout in communication" messages
* when removing the PICC from reading distance too early.
*
* @license Released into the public domain.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*/
#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10
#define RST_PIN 9
MFRC522 rfid(SS_PIN, RST_PIN); // Instance of the class
// Init array that will store new NUID
byte nuidPICC[4];
void setup() {
Serial.begin(9600);
SPI.begin(); // Init SPI bus
rfid.PCD_Init(); // Init MFRC522
Serial.println(F("This code scan the MIFARE Classsic NUID."));
}
void loop() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! rfid.PICC_IsNewCardPresent())
return;
// Verify if the NUID has been readed
if ( ! rfid.PICC_ReadCardSerial())
return;
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = rfid.PICC_GetType(rfid.uid.sak);
Serial.println(rfid.PICC_GetTypeName(piccType));
// Check is the PICC of Classic MIFARE type
if (piccType != MFRC522::PICC_TYPE_MIFARE_MINI &&
piccType != MFRC522::PICC_TYPE_MIFARE_1K &&
piccType != MFRC522::PICC_TYPE_MIFARE_4K) {
Serial.println(F("Your tag is not of type MIFARE Classic."));
return;
}
if (rfid.uid.uidByte[0] != nuidPICC[0] ||
rfid.uid.uidByte[1] != nuidPICC[1] ||
rfid.uid.uidByte[2] != nuidPICC[2] ||
rfid.uid.uidByte[3] != nuidPICC[3] ) {
Serial.println(F("A new card has been detected."));
// Store NUID into nuidPICC array
for (byte i = 0; i < 4; i++) {
nuidPICC[i] = rfid.uid.uidByte[i];
}
Serial.println(F("The NUID tag is:"));
Serial.print(F("In hex: "));
printHex(rfid.uid.uidByte, rfid.uid.size);
Serial.println();
Serial.print(F("In dec: "));
printDec(rfid.uid.uidByte, rfid.uid.size);
Serial.println();
}
else Serial.println(F("Card read previously."));
// Halt PICC
rfid.PICC_HaltA();
// Stop encryption on PCD
rfid.PCD_StopCrypto1();
}
/**
* Helper routine to dump a byte array as hex values to Serial.
*/
void printHex(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
/**
* Helper routine to dump a byte array as dec values to Serial.
*/
void printDec(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(' ');
Serial.print(buffer[i], DEC);
}
}
.pio/libdeps/esp32dev/MFRC522/examples/ReadUidMultiReader/ReadUidMultiReader.ino
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/**
* --------------------------------------------------------------------------------------------------------------------
* Example sketch/program showing how to read data from more than one PICC to serial.
* --------------------------------------------------------------------------------------------------------------------
* This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid
*
* Example sketch/program showing how to read data from more than one PICC (that is: a RFID Tag or Card) using a
* MFRC522 based RFID Reader on the Arduino SPI interface.
*
* Warning: This may not work! Multiple devices at one SPI are difficult and cause many trouble!! Engineering skill
* and knowledge are required!
*
* @license Released into the public domain.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS 1 SDA(SS) ** custom, take a unused pin, only HIGH/LOW required **
* SPI SS 2 SDA(SS) ** custom, take a unused pin, only HIGH/LOW required **
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_1_PIN 10 // Configurable, take a unused pin, only HIGH/LOW required, must be different to SS 2
#define SS_2_PIN 8 // Configurable, take a unused pin, only HIGH/LOW required, must be different to SS 1
#define NR_OF_READERS 2
byte ssPins[] = {SS_1_PIN, SS_2_PIN};
MFRC522 mfrc522[NR_OF_READERS]; // Create MFRC522 instance.
/**
* Initialize.
*/
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
mfrc522[reader].PCD_Init(ssPins[reader], RST_PIN); // Init each MFRC522 card
Serial.print(F("Reader "));
Serial.print(reader);
Serial.print(F(": "));
mfrc522[reader].PCD_DumpVersionToSerial();
}
}
/**
* Main loop.
*/
void loop() {
for (uint8_t reader = 0; reader < NR_OF_READERS; reader++) {
// Look for new cards
if (mfrc522[reader].PICC_IsNewCardPresent() && mfrc522[reader].PICC_ReadCardSerial()) {
Serial.print(F("Reader "));
Serial.print(reader);
// Show some details of the PICC (that is: the tag/card)
Serial.print(F(": Card UID:"));
dump_byte_array(mfrc522[reader].uid.uidByte, mfrc522[reader].uid.size);
Serial.println();
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = mfrc522[reader].PICC_GetType(mfrc522[reader].uid.sak);
Serial.println(mfrc522[reader].PICC_GetTypeName(piccType));
// Halt PICC
mfrc522[reader].PICC_HaltA();
// Stop encryption on PCD
mfrc522[reader].PCD_StopCrypto1();
} //if (mfrc522[reader].PICC_IsNewC
} //for(uint8_t reader
}
/**
* Helper routine to dump a byte array as hex values to Serial.
*/
void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
.pio/libdeps/esp32dev/MFRC522/examples/firmware_check/firmware_check.ino
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/*
* --------------------------------------------------------------------------------------------------------------------
* Example sketch/program to test your firmware.
* --------------------------------------------------------------------------------------------------------------------
* This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid
*
* This example test the firmware of your MFRC522 reader module, only known version can be checked. If the test passed
* it do not mean that your module is faultless! Some modules have bad or broken antennas or the PICC is broken.
*
* @author Rotzbua
* @license Released into the public domain.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
/**
* Check firmware only once at startup
*/
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 module
Serial.println(F("*****************************"));
Serial.println(F("MFRC522 Digital self test"));
Serial.println(F("*****************************"));
mfrc522.PCD_DumpVersionToSerial(); // Show version of PCD - MFRC522 Card Reader
Serial.println(F("-----------------------------"));
Serial.println(F("Only known versions supported"));
Serial.println(F("-----------------------------"));
Serial.println(F("Performing test..."));
bool result = mfrc522.PCD_PerformSelfTest(); // perform the test
Serial.println(F("-----------------------------"));
Serial.print(F("Result: "));
if (result)
Serial.println(F("OK"));
else
Serial.println(F("DEFECT or UNKNOWN"));
Serial.println();
}
void loop() {} // nothing to do
.pio/libdeps/esp32dev/MFRC522/examples/rfid_default_keys/rfid_default_keys.ino
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/*
* ----------------------------------------------------------------------------
* This is a MFRC522 library example; see https://github.com/miguelbalboa/rfid
* for further details and other examples.
*
* NOTE: The library file MFRC522.h has a lot of useful info. Please read it.
*
* Released into the public domain.
* ----------------------------------------------------------------------------
* Example sketch/program which will try the most used default keys listed in
* https://code.google.com/p/mfcuk/wiki/MifareClassicDefaultKeys to dump the
* block 0 of a MIFARE RFID card using a RFID-RC522 reader.
*
* Typical pin layout used:
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
// Number of known default keys (hard-coded)
// NOTE: Synchronize the NR_KNOWN_KEYS define with the defaultKeys[] array
#define NR_KNOWN_KEYS 8
// Known keys, see: https://code.google.com/p/mfcuk/wiki/MifareClassicDefaultKeys
byte knownKeys[NR_KNOWN_KEYS][MFRC522::MF_KEY_SIZE] = {
{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // FF FF FF FF FF FF = factory default
{0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5}, // A0 A1 A2 A3 A4 A5
{0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5}, // B0 B1 B2 B3 B4 B5
{0x4d, 0x3a, 0x99, 0xc3, 0x51, 0xdd}, // 4D 3A 99 C3 51 DD
{0x1a, 0x98, 0x2c, 0x7e, 0x45, 0x9a}, // 1A 98 2C 7E 45 9A
{0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7}, // D3 F7 D3 F7 D3 F7
{0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, // AA BB CC DD EE FF
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00} // 00 00 00 00 00 00
};
/*
* Initialize.
*/
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
Serial.println(F("Try the most used default keys to print block 0 of a MIFARE PICC."));
}
/*
* Helper routine to dump a byte array as hex values to Serial.
*/
void dump_byte_array(byte *buffer, byte bufferSize) {
for (byte i = 0; i < bufferSize; i++) {
Serial.print(buffer[i] < 0x10 ? " 0" : " ");
Serial.print(buffer[i], HEX);
}
}
/*
* Try using the PICC (the tag/card) with the given key to access block 0.
* On success, it will show the key details, and dump the block data on Serial.
*
* @return true when the given key worked, false otherwise.
*/
bool try_key(MFRC522::MIFARE_Key *key)
{
bool result = false;
byte buffer[18];
byte block = 0;
MFRC522::StatusCode status;
// Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
// Serial.print(F("PCD_Authenticate() failed: "));
// Serial.println(mfrc522.GetStatusCodeName(status));
return false;
}
// Read block
byte byteCount = sizeof(buffer);
status = mfrc522.MIFARE_Read(block, buffer, &byteCount);
if (status != MFRC522::STATUS_OK) {
// Serial.print(F("MIFARE_Read() failed: "));
// Serial.println(mfrc522.GetStatusCodeName(status));
}
else {
// Successful read
result = true;
Serial.print(F("Success with key:"));
dump_byte_array((*key).keyByte, MFRC522::MF_KEY_SIZE);
Serial.println();
// Dump block data
Serial.print(F("Block ")); Serial.print(block); Serial.print(F(":"));
dump_byte_array(buffer, 16);
Serial.println();
}
Serial.println();
mfrc522.PICC_HaltA(); // Halt PICC
mfrc522.PCD_StopCrypto1(); // Stop encryption on PCD
return result;
}
/*
* Main loop.
*/
void loop() {
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! mfrc522.PICC_IsNewCardPresent())
return;
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial())
return;
// Show some details of the PICC (that is: the tag/card)
Serial.print(F("Card UID:"));
dump_byte_array(mfrc522.uid.uidByte, mfrc522.uid.size);
Serial.println();
Serial.print(F("PICC type: "));
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
Serial.println(mfrc522.PICC_GetTypeName(piccType));
// Try the known default keys
MFRC522::MIFARE_Key key;
for (byte k = 0; k < NR_KNOWN_KEYS; k++) {
// Copy the known key into the MIFARE_Key structure
for (byte i = 0; i < MFRC522::MF_KEY_SIZE; i++) {
key.keyByte[i] = knownKeys[k][i];
}
// Try the key
if (try_key(&key)) {
// Found and reported on the key and block,
// no need to try other keys for this PICC
break;
}
// http://arduino.stackexchange.com/a/14316
if ( ! mfrc522.PICC_IsNewCardPresent())
break;
if ( ! mfrc522.PICC_ReadCardSerial())
break;
}
}
.pio/libdeps/esp32dev/MFRC522/examples/rfid_read_personal_data/rfid_read_personal_data.ino
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/*
* Initial Author: ryand1011 (https://github.com/ryand1011)
*
* Reads data written by a program such as "rfid_write_personal_data.ino"
*
* See: https://github.com/miguelbalboa/rfid/tree/master/examples/rfid_write_personal_data
*
* Uses MIFARE RFID card using RFID-RC522 reader
* Uses MFRC522 - Library
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
//*****************************************************************************************//
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
Serial.println(F("Read personal data on a MIFARE PICC:")); //shows in serial that it is ready to read
}
//*****************************************************************************************//
void loop() {
// Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.
MFRC522::MIFARE_Key key;
for (byte i = 0; i < 6; i++) key.keyByte[i] = 0xFF;
//some variables we need
byte block;
byte len;
MFRC522::StatusCode status;
//-------------------------------------------
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! mfrc522.PICC_IsNewCardPresent()) {
return;
}
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial()) {
return;
}
Serial.println(F("**Card Detected:**"));
//-------------------------------------------
mfrc522.PICC_DumpDetailsToSerial(&(mfrc522.uid)); //dump some details about the card
//mfrc522.PICC_DumpToSerial(&(mfrc522.uid)); //uncomment this to see all blocks in hex
//-------------------------------------------
Serial.print(F("Name: "));
byte buffer1[18];
block = 4;
len = 18;
//------------------------------------------- GET FIRST NAME
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, 4, &key, &(mfrc522.uid)); //line 834 of MFRC522.cpp file
if (status != MFRC522::STATUS_OK) {
Serial.print(F("Authentication failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
status = mfrc522.MIFARE_Read(block, buffer1, &len);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("Reading failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
//PRINT FIRST NAME
for (uint8_t i = 0; i < 16; i++)
{
if (buffer1[i] != 32)
{
Serial.write(buffer1[i]);
}
}
Serial.print(" ");
//---------------------------------------- GET LAST NAME
byte buffer2[18];
block = 1;
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, 1, &key, &(mfrc522.uid)); //line 834
if (status != MFRC522::STATUS_OK) {
Serial.print(F("Authentication failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
status = mfrc522.MIFARE_Read(block, buffer2, &len);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("Reading failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
//PRINT LAST NAME
for (uint8_t i = 0; i < 16; i++) {
Serial.write(buffer2[i] );
}
//----------------------------------------
Serial.println(F("\n**End Reading**\n"));
delay(1000); //change value if you want to read cards faster
mfrc522.PICC_HaltA();
mfrc522.PCD_StopCrypto1();
}
//*****************************************************************************************//
.pio/libdeps/esp32dev/MFRC522/examples/rfid_write_personal_data/rfid_write_personal_data.ino
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/*
* Write personal data of a MIFARE RFID card using a RFID-RC522 reader
* Uses MFRC522 - Library to use ARDUINO RFID MODULE KIT 13.56 MHZ WITH TAGS SPI W AND R BY COOQROBOT.
* -----------------------------------------------------------------------------------------
* MFRC522 Arduino Arduino Arduino Arduino Arduino
* Reader/PCD Uno/101 Mega Nano v3 Leonardo/Micro Pro Micro
* Signal Pin Pin Pin Pin Pin Pin
* -----------------------------------------------------------------------------------------
* RST/Reset RST 9 5 D9 RESET/ICSP-5 RST
* SPI SS SDA(SS) 10 53 D10 10 10
* SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16
* SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14
* SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15
*
* More pin layouts for other boards can be found here: https://github.com/miguelbalboa/rfid#pin-layout
*
* Hardware required:
* Arduino
* PCD (Proximity Coupling Device): NXP MFRC522 Contactless Reader IC
* PICC (Proximity Integrated Circuit Card): A card or tag using the ISO 14443A interface, eg Mifare or NTAG203.
* The reader can be found on eBay for around 5 dollars. Search for "mf-rc522" on ebay.com.
*/
#include <SPI.h>
#include <MFRC522.h>
#define RST_PIN 9 // Configurable, see typical pin layout above
#define SS_PIN 10 // Configurable, see typical pin layout above
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
Serial.println(F("Write personal data on a MIFARE PICC "));
}
void loop() {
// Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.
MFRC522::MIFARE_Key key;
for (byte i = 0; i < 6; i++) key.keyByte[i] = 0xFF;
// Reset the loop if no new card present on the sensor/reader. This saves the entire process when idle.
if ( ! mfrc522.PICC_IsNewCardPresent()) {
return;
}
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial()) {
return;
}
Serial.print(F("Card UID:")); //Dump UID
for (byte i = 0; i < mfrc522.uid.size; i++) {
Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(mfrc522.uid.uidByte[i], HEX);
}
Serial.print(F(" PICC type: ")); // Dump PICC type
MFRC522::PICC_Type piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
Serial.println(mfrc522.PICC_GetTypeName(piccType));
byte buffer[34];
byte block;
MFRC522::StatusCode status;
byte len;
Serial.setTimeout(20000L) ; // wait until 20 seconds for input from serial
// Ask personal data: Family name
Serial.println(F("Type Family name, ending with #"));
len = Serial.readBytesUntil('#', (char *) buffer, 30) ; // read family name from serial
for (byte i = len; i < 30; i++) buffer[i] = ' '; // pad with spaces
block = 1;
//Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
else Serial.println(F("PCD_Authenticate() success: "));
// Write block
status = mfrc522.MIFARE_Write(block, buffer, 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
else Serial.println(F("MIFARE_Write() success: "));
block = 2;
//Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Write block
status = mfrc522.MIFARE_Write(block, &buffer[16], 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
else Serial.println(F("MIFARE_Write() success: "));
// Ask personal data: First name
Serial.println(F("Type First name, ending with #"));
len = Serial.readBytesUntil('#', (char *) buffer, 20) ; // read first name from serial
for (byte i = len; i < 20; i++) buffer[i] = ' '; // pad with spaces
block = 4;
//Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Write block
status = mfrc522.MIFARE_Write(block, buffer, 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
else Serial.println(F("MIFARE_Write() success: "));
block = 5;
//Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, &key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
Serial.print(F("PCD_Authenticate() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Write block
status = mfrc522.MIFARE_Write(block, &buffer[16], 16);
if (status != MFRC522::STATUS_OK) {
Serial.print(F("MIFARE_Write() failed: "));
Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
else Serial.println(F("MIFARE_Write() success: "));
Serial.println(" ");
mfrc522.PICC_HaltA(); // Halt PICC
mfrc522.PCD_StopCrypto1(); // Stop encryption on PCD
}